U.S. Geological Survey
Water Resources Data - Ohio, Water Year 97, Vol. 1 | Great Miami River Basin


			03261500 GREAT MIAMI RIVER AT SIDNEY, OHIO

LOCATION.--Lat 40017'13", long 84009'00", Shelby County, Hydrologic Unit 05080001, on right bank 50 ft upstream from 
North Street Bridge in Sidney, and 0.5 mi downstream from Tawawa Creek.
DRAINAGE AREA.--541 mi2.
PERIOD OF RECORD.--February 1914 to current year. Prior to October 1962, published as Miami River at Sidney.
REVISED RECORDS.--WSP 1305: 1914(M), 1922(M). WSP 1908: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 924.70 ft above sea level. Prior to Sept. 18, 1919, nonrecording gage 
at site 50 ft downstream at datum 1.76 ft higher. September 18, 1919 to August, 1925, nonrecording gage at site 
50 ft downstream at present datum.
REMARKS.--Records good except those for periods of estimated record, which are poor. Water supply for city of Sidney 
is pumped from the Great Miami River 1,200 ft upstream and from wells adjacent to Great Miami River upstream from 
station. The pumpage averaged 4.86 ft3/s in 1997 and is returned as sewage 1.2 mi downstream from the station. 
Some regulation by Indian Lake, 28 mi upstream, capacity, 45,900 acre-ft; water diverted into Miami and Erie Canal 
at Port Jefferson, 2.8 mi upstream, prior to 1926; amount of diversion not published. Sediment data collected at 
this site.
COOPERATION.--Gage-height tapes, and 8 discharge measurements furnished by Miami Conservancy District.
EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of Mar. 25, 1913, reached a stage of 19.6 ft, present datum; discharge, 
44,000 ft3/s, computed by Miami Conservancy District.

	DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997                   
					DAILY MEAN VALUES                                                
 
 DAY       OCT      NOV      DEC      JAN      FEB      MAR      APR      MAY      JUN      JUL      AUG      SEP
 
   1       129      101     2270      651      456     1990      942      191     5490      895       79       82
   2       103       84     2370      559      400     3370      635      226     6670     1040       71       79
   3        87       78     1590      514      418     2640      540      858     5550     1430       69       71
   4       113       74     1070      493     1830     1860      479     1450     4030      977      105       93
   5        85       71      748      936     4010     2220      471      907     2770      521      117       74
 
   6        72       70      553     1130     2970     3300      509      637     1930      328       96       63
   7        69       79      479      727     2100     2430      474      557     1330      239       82       58
   8        67      110      428     e400     1490     1830      410      433      857      201       69       57
   9        68      150      385     e300     1030     1440      406      452      567      188       65       63
  10        74      131      314     e250      689     1880      327      483      448      308       63       67
 
  11        74      122      804     e220     e500     1520      268      402      388      215       63       70
  12        70      112     3010     e200     e400     1120      335      285      341      168       64       71
  13        67       98     3460     e190     e350      820      530      279      434      153       68       65
  14        62       90     2820     e180     e300     1660      466      242      468      142       71       61
  15        61       87     2090     e240     e280     1850      366      235      377      125       75       59
 
  16        62       91     1730     e200     e250     1270      330      280      284      121       73       57
  17        60       84     5000     e170     e240      860      346      177      246      112      284       56
  18        73       86    e4000     e150      288      770      360      206      283      105      425       55
  19       108       84    e2300     e140      399      999      288      238      542       89      277       54
  20        94       85    e1800     e130      555      767      249      335      415      101      208       53
 
  21        96       89    e1000     e200      919      640      236      277      290       98      246       56
  22        80       89     e900      900     1370      577      230      244      244      102      213       64
  23        76       97     e800     1950     1030      517      258      202      234      129      197       55
  24        80       93     3990     1540      670      459      257      177      193      186      148       55
  25        75      237     3050     1100      538      374      218      199      175      136      135       55
 
  26        76     1950     2030      731      492      398      214      717      180      112      136       52
  27        76     1570     1440      659     2460      373      198      511      250      111      116       53
  28        73      900     1210     1710     2500      364      218      299      195      135       98       50
  29        70      539     1220     1150      ---     1660      236      227      163      121       93       48
  30        86      621      975      744      ---     1470      189      218      155      102       90       44
  31       117      ---      760      550      ---     1220      ---      691      ---       89       79      ---
 
 TOTAL    2503     8072    54596    19014    28934    42648    10985    12635    35499     8779     3975     1840
 MEAN     80.7      269     1761      613     1033     1376      366      408     1183      283      128     61.3
 MAX       129     1950     5000     1950     4010     3370      942     1450     6670     1430      425       93
 MIN        60       70      314      130      240      364      189      177      155       89       63       44
 
 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1926 - 1997, BY WATER YEAR (WY)                                 
 
 MEAN      154      321      511      735      774      969      874      544      434      309      173      131
 MAX      1717     1876     2373     3846     2187     2507     2500     2010     2073     2181     1173     2365
 (WY)     1927     1973     1991     1930     1950     1927     1957     1996     1958     1992     1973     1926
 MIN      21.9     36.3     41.3     42.1     49.5      106      164     70.6     36.1     24.6     28.5     21.2
 (WY)     1964     1935     1935     1977     1964     1941     1946     1934     1988     1934     1963     1963
 
 SUMMARY STATISTICS           FOR 1996 CALENDAR YEAR        FOR 1997 WATER YEAR           WATER YEARS 1926 - 1997
 
 ANNUAL TOTAL                      296731                     229480                                             
 ANNUAL MEAN                          811                        629                        493                  
 HIGHEST ANNUAL MEAN                                                                        963              1927
 LOWEST ANNUAL MEAN                                                                         141              1931
 HIGHEST DAILY MEAN                  6820     Jan 19            6670     Jun  2           17400       Mar 21 1927
 LOWEST DAILY MEAN                     54     Sep  6              44     Sep 30               8.0     Sep 23 1935
 ANNUAL SEVEN-DAY MINIMUM              56     Sep  1              51     Sep 24              15       Sep 19 1935
 INSTANTANEOUS PEAK FLOW                                        7100     Jun  1 a         20700       Mar 20 1927
 INSTANTANEOUS PEAK STAGE                                         10.50  Jun  1              15.91    Jan 21 1959
 INSTANTANEOUS LOW FLOW                                           44     Sep 30               1.5     Aug 13 1963
 10 PERCENT EXCEEDS                  2370                       1810                       1260                  
 50 PERCENT EXCEEDS                   319                        250                        181                  
 90 PERCENT EXCEEDS                    72                         69                         45                  
 
a Peaks above base shown in table of peak discharges and stages at continuous-record surface-water-discharge stations.
e Estimated


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